Which of the following is true regarding units of geologic time?
a.
eras are divided i...
Which of the following is true regarding units of geologic time?
a.
eras are divided into periods; periods are divided into epochs.
b.
epochs are divided into periods; periods are divided into eras.
c.
periods are divided into epochs; epochs are divided into eras.
d.
eras are divided into epochs; epochs are divided into periods.
Answers: 2
Physics, 21.06.2019 20:00
The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
Answers: 1
Physics, 22.06.2019 06:30
How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n
Answers: 1
Physics, 22.06.2019 08:30
Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big
Answers: 1
Physics, 22.06.2019 16:30
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Computers and Technology, 07.11.2019 23:31